diff --git a/Source/Editor/GUI/Popups/TypeSearchPopup.cs b/Source/Editor/GUI/Popups/TypeSearchPopup.cs
index 47ec94154..8b9c6a541 100644
--- a/Source/Editor/GUI/Popups/TypeSearchPopup.cs
+++ b/Source/Editor/GUI/Popups/TypeSearchPopup.cs
@@ -103,6 +103,9 @@ namespace FlaxEditor.GUI
                     var attributes = type.GetAttributes(true);
                     if (attributes.FirstOrDefault(x => x is HideInEditorAttribute || x is System.Runtime.CompilerServices.CompilerGeneratedAttribute) == null)
                     {
+                        var mType = type.Type;
+                        if (mType != null && mType.IsValueType && mType.ReflectedType != null && string.Equals(mType.ReflectedType.Name, "<PrivateImplementationDetails>", StringComparison.Ordinal))
+                            continue;
                         AddItem(new TypeItemView(type, attributes));
                     }
                 }